Power in isekai usually serves as a vehicle for agency, but for these two, it functions as a restrictive boundary. Comparing a YPS-7 hybrid to a YPS-3 authority is a categorical error; one rewrites the laws of the universe while the other manages a library's arcane reserves. Because the YPS gap is so wide, the analysis must shift from destructive output to the relationship between capability and will. Anos operates with a total Ego score, meaning he dictates the terms of his existence, yet his narrative tension arises from the necessity of self-suppression. He adopts the persona of a student not because he is fooled, but to navigate a world that would shatter under his unfiltered presence. His struggle is the burden of a sovereign who must engineer peace through restraint. Beatrice represents the opposite extreme, where power is a gilded cage. Her high arcane knowledge is useless because her Ego is paralyzed by a centuries-old directive to wait for "That Person." Her arc is not about ascending the YPS scale, but about the psychological liberation required to form a contract with Subaru. While Anos proves that total power requires discipline to avoid nihilism, Beatrice demonstrates that even city-level capability is void without the will to act. Their roles reveal a fundamental genre truth: the primary growth in isekai is not the acquisition of more power, but the reclamation of the self from the constraints that power imposes.